2 Mar 2017 ... How to Reduce High Toxic Nitrates Quickly & Efficiently. ... How to Lower High Toxic Nitrates Quickly & Efficiently. ... Many people try to reduce their nitrate levels by performing a series of partial (20%) water changes.

21 Jan 2013 ... High nitrate can cause severe algae outbreaks and green water. Maintain lownitrate levels for a healthy tank. ... course variations within the methods, none are foolproof, and there are better ways to remove, or reduce nitrates.